Patents by Inventor Antonio H. Kramer

Antonio H. Kramer has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Microseamed metallic can
    Patent number: 5595322
    Abstract: The present invention refers to a can having a seam formed by a seaming process, through which it is possible to produce cans by seaming (fixing) tops and ends to bodies of cans by micro-seaming process. This seamed can is made by using materials with 0.16 mm thickness or less, with a high hardness DR8 or DR9 for making tops and ends. As a result of the micro-seaming process a significant reduction of dimensions has been obtained on the cover and body hooks and in the length of the seam, without changing volumetric capacity of the can.
    Type: Grant
    Filed: January 13, 1994
    Date of Patent: January 21, 1997
    Inventor: Antonio H. Kramer
  • Tin can manufacturing process
    Patent number: 5320468
    Abstract: The present invention refers to a can seaming process, through which it is possible to produce cans by seaming (fixing) tops and ends to bodies of cans by micro-seaming process. This process provides the use of materials with 0.16 mm thickness or less, with a high hardness DR8 or DR9 for making tops and ends. As a result of the micro-seaming process a significant reduction of dimensions has been obtained on the cover and body hooks and in the length of the seam, without changing volumetric capacity of the can.
    Type: Grant
    Filed: April 8, 1993
    Date of Patent: June 14, 1994
    Inventor: Antonio H. Kramer
  • Method and device for the manufacture of can bodies by extension, including expansion of the diameter and reduction of the thickness of the sheet metal, starting out from a can body with smaller diameter, made of thicker sheet metal
    Patent number: 5022254
    Abstract: A device for expanding a tubular can body has a circular array of expansion blades which are inserted into the body and expanded by means of a central tapering shaft which is driven axially through a corresponding bore of the blade by a hydraulic piston and cylinder assembly. The ends of the blades are supported for radially expanding movement by a cylindrical housing which has an annular end wall received in peripheral channels formed in the individual blades. The channels have sufficient depth to accommodate the required radial expansion and retraction movements of the blades.
    Type: Grant
    Filed: August 1, 1989
    Date of Patent: June 11, 1991
    Inventor: Antonio H. Kramer